<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        var data = [{
        id:1,
        name:'家电',
        goods:[{
            id:11,
            gname:'冰箱',
            goods:[{
                id:111,
                gname:'海尔'
                },{
                    id:112,
                    gname:'美的'
                }]


            },{
                id:12,
                gname:'洗衣机'
            }]
        },{
            id:2,
            name:'服饰'
        }];

    function getID(json,id){
        var o={};
        json.forEach(function(item){
            if(item.id == id){
                // console.log(item);
                o = item;
                return item;
            }else if(item.goods && item.goods.length > 0){
                o = getID(item.goods,id);
            }
        })
        return o;
    }
    console.log(getID(data,1)); 
    console.log(getID(data,2)); 
    console.log(getID(data,11)); 
    console.log(getID(data,12)); 
    console.log(getID(data,111)); 
    </script>    
</body>
</html>